1.
Getsova Z, Minkova A, Tsoneva R, Petkova K. EPIDEMIOLOGICAL COMPARISON OF INFLUENZA, ARI AND COVID-19 PREVALENCE IN BULGARIA FOR THE PERIOD 2017-2022. Probl Infect Parasit Dis [Internet]. 2024 Jan. 25 [cited 2024 Jul. 27];51(3):17-23. Available from: https://pipd.ncipd.org/index.php/pipd/article/view/51-3-3-epidemiological-comparison